Merrionette Park, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merrionette Park, IL in one place.
Partly sunny, with a high near 76. East northeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Merrionette Park, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 17, 2026 2:45 AM CDT.
The active forecast window currently covers Sep 18 to Sep 23, 2026 for Merrionette Park, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 18 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 2:45 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrionette Park
Saturday looks like the warmest upcoming period in Merrionette Park at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph ENE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 2:45 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Scattered showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 67.
Showers and thunderstorms likely. Mostly cloudy, with a high near 73.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
A chance of rain showers. Mostly cloudy, with a high near 70.
A chance of rain showers. Mostly cloudy, with a low around 60.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 18
|
Partly Sunny
|
76°F |
5 to 10 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Scattered Showers And Thunderstorms
|
66°F |
10 mph
SE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
83°F |
10 mph
SSW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
67°F |
5 to 10 mph
WNW
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
73°F |
5 to 10 mph
NNE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
61°F |
10 mph
ENE
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
71°F |
10 mph
ENE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
60°F |
10 mph
ENE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
70°F |
10 mph
NE
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers
|
60°F |
5 to 10 mph
NE
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
74°F |
5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrionette Park.